Quite the tangled web.
There is no easy way to give you the answer you are looking for.
This is because it has become a HUGE bread loaf of information that would overwhelm you if it were possible to just explain it in a post (it's not). We got to this point a crumb at a time.
So if you want to learn, download this https:// mega.nz/#!RuJxlJLa!m1qCCBKw2oVV61eUoL5Ata6yjokLkk-gJ4YPuozQQmg
Be sure to remove spaces, or copy starting at mega. You can find updated links in the catalog under PDF thread.
This post is not worthy.